The Windows Firewall must display notifications when a program is blocked from receiving an inbound connection for the Private Profile.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-17430	5.465	SV-18486r2_rule	ECSC-1	Low

Description
A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. The display of notifications to the user when a program is blocked from receiving an inbound connection on a private network must be enabled to alert the user of potential issues.

STIG	Date
Windows Vista Security Technical Implementation Guide	2013-10-01

Details

Check Text ( C-45381r1_chk )

If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Policies\Microsoft\WindowsFirewall\PrivateProfile\ Value Name: DisableNotifications Type: REG_DWORD Value: 0 If a third-party firewall is used, verify a comparable setting has been implemented. The Remote Endpoint STIG contains additional firewall requirements for systems used remotely.

Fix Text (F-41946r2_fix)

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Windows Firewall with Advanced Security -> Windows Firewall with Advanced Security -> Windows Firewall Properties (this link will be in the right pane) -> Private Profile Tab -> Settings (select Customize) -> Firewall settings, "Display a notification" to "Yes (default)". Configure a comparable setting if a third-party firewall is used.